[Swift] 백준2609

import Foundation

let line = readLine()!.components(separatedBy: " ").map { Int($0)! }

var n = line[0]
var m = line[1]

func getGCD(n1: Int, n2: Int) -> Int {
    
    if n2 == 0 {
        return n1
    } else {
        return getGCD(n1: n2, n2: n1 % n2)
    }
    
}

func getLCM(num1: Int, num2: Int) -> Int {
    return num1 * num2 / getGCD(n1: num1, n2: num2)
}

print(getGCD(n1: n, n2: m))
print(getLCM(num1: n, num2: m))